Add "Save as" menu option

Author: Madhu94

notebook/static/notebook/js/menubar.js

@@ -170,6 +170,11 @@ define([
             that.notebook.copy_notebook();
             return false;
         });
+        this.element.find('#save_notebook_as').click(function() {
+            that.notebook.save_notebook_as();
+            return false;
+            
+        });
         this.element.find('#download_ipynb').click(function () {
             var base_url = that.notebook.base_url;
             var notebook_path = utils.encode_uri_components(that.notebook.notebook_path);

notebook/static/notebook/js/notebook.js

@@ -2755,7 +2755,7 @@ define([
                     // In some cases the filesystem reports an inconsistent time,
                     // so we allow 0.5 seconds difference before complaining.
                     // This is configurable in nbconfig/notebook.json as `last_modified_check_margin`.
-                    if ((last_modified.getTime() - that.last_modified.getTime()) > last_modified_check_margin) {  
+                    if ((last_modified.getTime() - that.last_modified.getTime()) > last_modified_check_margin) {
                         console.warn("Last saving was done on `"+that.last_modified+"`("+that._last_modified+"), "+
                                     "while the current file seem to have been saved on `"+data.last_modified+"`");
                         if (that._changed_on_disk_dialog !== null) {
@@ -2845,6 +2845,91 @@ define([
         }
     };
 
+       
+    Notebook.prototype.save_notebook_as = function() {
+        // If current notebook has some changes, save them
+        if (this.writable && this.dirty) {
+            this.save_notebook();
+        }
+        var that = this;        
+        var dialog_body = $('<div/>').append(
+            $("<p/>").addClass("save-message")
+                .text(i18n.msg._('Enter a notebook path relative to notebook dir'))
+        ).append(
+            $("<br/>")
+        ).append(
+            $('<input/>').attr('type','text').attr('size','25')
+            .addClass('form-control').attr('placeholder', that.notebook_name)
+        );
+
+        var d = dialog.modal({
+            title: 'Save As',
+            body: dialog_body,
+            keyboard_manager: this.keyboard_manager,
+            notebook: this,
+            buttons: {
+                Cancel: {},
+                Save: {
+                    class: 'btn-primary',
+                    click: function() {
+                        var nb_path = d.find('input').val();
+                        var nb_name = nb_path.split('/').slice(-1).pop();
+                        // If notebook name does not contain extension '.ipynb' add it
+                        var ext = utils.splitext(nb_name);
+                        if (ext === '') {
+                            nb_name = nb_name + '.ipynb';    
+                        }
+                        var model = {
+                           'type': 'notebook',
+                           'content': that.toJSON(),
+                           'name': nb_name
+                        };
+                        
+                        var save_thunk = function() {
+                            return that.contents.save(nb_path, model)
+                                .then(function(data) {
+                                    window.open(data.path, '_self');
+                                },function(error) {
+                                   console.error(i18n.msg._(error.message || 'Unknown error saving notebook'));
+                                });
+                        }  
+                        that.contents.get(nb_path, {type: 'notebook'}).then(function(data) {
+                            var warning_body = $('<div/>').append(
+                                $("<p/>").text(i18n.msg._('Notebook with that name exists.')));
+                            dialog.modal({
+                                title: 'Save As',
+                                body: warning_body,
+                                buttons: {Cancel: {},
+                                Overwrite: {
+                                    class: 'btn-warning',
+                                    click: function() {
+                                        return save_thunk();     
+                                    }
+                                }
+                            }
+                            });
+                        }, function(err) {
+                            return save_thunk();
+                        })
+                        return false;
+                    }
+                },
+            },
+            open : function () {
+                 /**
+                  * Upon ENTER, click the OK button.
+                  */
+                 d.find('input[type="text"]').keydown(function (event) {
+                     if (event.which === keyboard.keycodes.enter) {
+                         d.find('.btn-primary').first().click();
+                         return false;
+                    }
+                 });
+                 d.find('input[type="text"]').focus().select();
+             }
+         });
+}
+ 
     /**
      * Update the autosave interval based on the duration of the last save.
      * 

notebook/templates/notebook.html

@@ -89,6 +89,9 @@
                         <li id="copy_notebook"
                             title="{% trans %}Open a copy of this notebook's contents and start a new kernel{% endtrans %}">
                             <a href="#">{% trans %}Make a Copy...{% endtrans %}</a></li>
+                        <li id="save_notebook_as"
+                            title="{% trans %}Save a copy of the notebook's contents and start a new kernel{% endtrans %}">
+                            <a href="#">{% trans %}Save as{% endtrans %}</a></li>
                         <li id="rename_notebook"><a href="#">{% trans %}Rename...{% endtrans %}</a></li>
                         <li id="save_checkpoint"><a href="#">{% trans %}Save and Checkpoint{% endtrans %}</a></li>
                         <!-- <hr/> -->